Home / 5,135.42-7,717.56-3,055.80

Finding the Fourth Proportional to 5,135.42, 7,717.56 and 3,055.80

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Solution

The fourth proportional to 5,135.42, 7,717.56 and 3,055.80 is: 4,592.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.42 : 7,717.56 = 3,055.80 : x
  2. Step 2: Convert to fraction form
    5,135.42/7,717.56 = 3,055.80/x
  3. Step 3: Cross multiply
    5,135.42x = 7,717.56 × 3,055.80
  4. Step 4: Simplify right side
    5,135.42x = 23,583,319.85
  5. Step 5: Solve for x
    x = 23,583,319.85/5,135.42
  6. Step 6: Final answer
    x = 4,592.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.